Life Span
Perennial
Perennial
Type
Broadleaf Evergreen
Epiphyte
Origin
Europe, Russia
Southeastern United States, Latin America and the Caribbean, Caribbean, Central America, South America
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
-
Habitat
Cold Regions, stream banks
Swamps
USDA Hardiness Zone
6-11
10-13
Sunset Zone
21,22
H1, H2, 23, 24
Habit
Upright/Erect
Clump-Forming
Flower Color
White, Light Pink
White, Burgundy, Dark Red, Light Green, Violet, Dark Salmon
Flower Color Modifier
Bicolor
Multi-Color
Leaf Color in Spring
Red, Green, Copper
Green
Leaf Color in Summer
Green, Blue Green
Green
Leaf Color in Fall
Green, Blue Green
Green
Leaf Color in Winter
Red, Dark Green, Burgundy, Bronze
Green
Leaf Shape
Oval
Long Linear
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall
Sunlight
Full Sun, Partial Sun, Partial shade
Partial Sun, Partial shade
Type of Soil
Loam, Sand
-
The pH of Soil
Acidic, Neutral
Neutral, Slightly Acidic
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer, Summer
Late Spring, Early Summer, Summer, Late Summer, Early Fall, Fall, Late Fall
Where to Plant?
Container, Ground
Container, Ground, Pot
How to Plant?
Root Division, Transplanting
Bulbs, By dividing rhizomes, tubers, Divison
Plant Maintenance
Low
Medium
Watering Requirements
Allow to dry out slightly between watering, Water daily during growing season
Average Water Needs, Do Not over Water, Requires regular watering
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral
Neutral, Slightly Acidic
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Partial Sun, Partial shade
Pruning
Cut or pinch the stems, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
All-Purpose Liquid Fertilizer
Pests and Diseases
Aphids, Stem spot
Red blotch
Plant Tolerance
Shallow soil, Sun
Drought
Flower Petal Number
Single
Single
Foliage Texture
Medium
Coarse
Foliage Sheen
Glossy
Glossy
Attracts
Ants, Butterflies, pollinators
Bees, pollinators
Allergy
Antibacterial, Peripheral Edema
-
Aesthetic Uses
Cottage Garden, Showy Purposes
Bouquets, Showy Purposes
Beauty Benefits
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
-
Environmental Uses
Air purification, Fixes Nitrogen
Air purification
Medicinal Uses
Asthma, Diarrhea, Obesity, Osteoarthritis
Cancer, Eye Problems
Part of Plant Used
Leaves, Twigs
Bulbs, Flowers, Leaves
Other Uses
Used for its medicinal properties
Used as Ornamental plant
Used As Indoor Plant
No
Yes
Used As Outdoor Plant
Yes
Yes
Garden Design
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Container, Feature Plant, Houseplant, Mixed Border
Botanical Name
Symphytum asperum
PROSTHECHEA cochleata
Common Name
Comfrey,Black Root, Blackwort, Bruisewort
Clamshell Orchid, Cockleshell Orchid, Black Orchid
In Hindi
Blackwort
Clamshell Orchid
In German
Blackwort
Clamshell Orchid
In French
Blackwort
Clamshell Orchid
In Spanish
Blackwort
Clamshell Orchid
In Greek
Blackwort
Encyclia Cochleata
In Portuguese
Blackwort
Clamshell Orchid
In Polish
Blackwort
Clamshell Orchid
In Latin
Blackwort
Clamshell Orchid
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Liliopsida
Order
Lamiales
Orchidales
Family
Boraginaceae
Orchidaceae
Genus
Symphytum
Prosthechea
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Monocots
Subfamily
Boraginoideae
Epidendroideae
Season and Care of Comfrey and Clamshell Orchid
Season and care of Comfrey and Clamshell Orchid is important to know. While considering everything about Comfrey and Clamshell Orchid Care, growing season is an essential factor. Comfrey season is Spring, Summer, Fall and Winter and Clamshell Orchid season is Spring, Summer, Fall and Winter. The type of soil for Comfrey is Loam, Sand and for Clamshell Orchid is while the PH of soil for Comfrey is Acidic, Neutral and for Clamshell Orchid is Neutral, Slightly Acidic.
Comfrey and Clamshell Orchid Physical Information
Comfrey and Clamshell Orchid physical information is very important for comparison. Comfrey height is 20.00 cm and width 90.00 cm whereas Clamshell Orchid height is 30.50 cm and width 25.60 cm. The color specification of Comfrey and Clamshell Orchid are as follows:
Comfrey flower color: White and Light Pink
Comfrey leaf color: Red, Green and Copper
Clamshell Orchid flower color: White, Burgundy, Dark Red, Light Green, Violet and Dark Salmon
- Clamshell Orchid leaf color: Green
Care of Comfrey and Clamshell Orchid
Care of Comfrey and Clamshell Orchid include pruning, fertilizers, watering etc. Comfrey pruning is done Cut or pinch the stems and Remove dead leaves and Clamshell Orchid pruning is done Remove damaged leaves, Remove dead branches and Remove dead leaves. In summer Comfrey needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Clamshell Orchid needs Lots of watering and in winter, it needs Average Water.